PROBLEM TO BE SOLVED: To provide a new pickling method not generating the surface flaw of a stainless steel pipe during a pickling operation.SOLUTION: Provided is a method for pickling a stainless steel pipe where an acid resistant rope (2) is at least wound around both the edges of a stainless steel pipe (1), both the edges of the bundle of the stainless steel pipe (1) wound with the acid resistant rope (2) are supported from the lower part by a lifting member (6), the lifting member (6) is lifted by an acid resistant sling (4) fitted to a crane, and the bundle of the stainless steel pipe (1) is immersed into a pickling tank (5) including the lifting member (6).SELECTED DRAWING: Figure 1
【課題】酸洗作業中にステンレス鋼管の表面疵を発生させない新たな酸洗方法を提供する。【解決手段】少なくともステンレス鋼管(1)の両端に耐酸性ロープ(2)を巻き付け、耐酸性ロープ(2)を巻き付けたステンレス鋼管(1)の束の両端を吊り上げ部材(6)で下から支持し、吊り上げ部材(6)をクレーンに取り付けた耐酸スリング(4)で吊り上げ、吊り上げ部材(6)ごとステンレス鋼管(1)の束を酸洗槽(5)に浸漬するステンレス鋼管の酸洗方法。【選択図】図1
METHOD FOR PICKLING STAINLESS STEEL PIPE
ステンレス鋼管の酸洗方法
2017-08-24
Patent
Electronic Resource
Japanese
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